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<pre><code><span id="1" class="l"><a class="l" href="#1">  1: </a><span class="xlang">&lt;?php</span>  <span class="php-keyword1">if</span> ( ! <span class="php-keyword2">defined</span>(<span class="php-quote">'BASEPATH'</span>)) <span class="php-keyword1">exit</span>(<span class="php-quote">'No direct script access allowed'</span>);
</span><span id="2" class="l"><a class="l" href="#2">  2: </a><span class="php-comment">/**
</span></span><span id="3" class="l"><a class="l" href="#3">  3: </a><span class="php-comment"> * CodeIgniter
</span></span><span id="4" class="l"><a class="l" href="#4">  4: </a><span class="php-comment"> *
</span></span><span id="5" class="l"><a class="l" href="#5">  5: </a><span class="php-comment"> * An open source application development framework for PHP 5.1.6 or newer
</span></span><span id="6" class="l"><a class="l" href="#6">  6: </a><span class="php-comment"> *
</span></span><span id="7" class="l"><a class="l" href="#7">  7: </a><span class="php-comment"> * @package     CodeIgniter
</span></span><span id="8" class="l"><a class="l" href="#8">  8: </a><span class="php-comment"> * @author      ExpressionEngine Dev Team
</span></span><span id="9" class="l"><a class="l" href="#9">  9: </a><span class="php-comment"> * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
</span></span><span id="10" class="l"><a class="l" href="#10"> 10: </a><span class="php-comment"> * @license     http://codeigniter.com/user_guide/license.html
</span></span><span id="11" class="l"><a class="l" href="#11"> 11: </a><span class="php-comment"> * @link        http://codeigniter.com
</span></span><span id="12" class="l"><a class="l" href="#12"> 12: </a><span class="php-comment"> * @since       Version 1.0
</span></span><span id="13" class="l"><a class="l" href="#13"> 13: </a><span class="php-comment"> * @filesource
</span></span><span id="14" class="l"><a class="l" href="#14"> 14: </a><span class="php-comment"> */</span>
</span><span id="15" class="l"><a class="l" href="#15"> 15: </a>
</span><span id="16" class="l"><a class="l" href="#16"> 16: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="17" class="l"><a class="l" href="#17"> 17: </a>
</span><span id="18" class="l"><a class="l" href="#18"> 18: </a><span class="php-comment">/**
</span></span><span id="19" class="l"><a class="l" href="#19"> 19: </a><span class="php-comment"> * Typography Class
</span></span><span id="20" class="l"><a class="l" href="#20"> 20: </a><span class="php-comment"> *
</span></span><span id="21" class="l"><a class="l" href="#21"> 21: </a><span class="php-comment"> *
</span></span><span id="22" class="l"><a class="l" href="#22"> 22: </a><span class="php-comment"> * @access      private
</span></span><span id="23" class="l"><a class="l" href="#23"> 23: </a><span class="php-comment"> * @category    Helpers
</span></span><span id="24" class="l"><a class="l" href="#24"> 24: </a><span class="php-comment"> * @author      ExpressionEngine Dev Team
</span></span><span id="25" class="l"><a class="l" href="#25"> 25: </a><span class="php-comment"> * @link        http://codeigniter.com/user_guide/helpers/
</span></span><span id="26" class="l"><a class="l" href="#26"> 26: </a><span class="php-comment"> */</span>
</span><span id="27" class="l"><a class="l" href="#27"> 27: </a><span class="php-keyword1">class</span> <a id="CI_Typography" href="#CI_Typography">CI_Typography</a> {
</span><span id="28" class="l"><a class="l" href="#28"> 28: </a>
</span><span id="29" class="l"><a class="l" href="#29"> 29: </a>    <span class="php-comment">// Block level elements that should not be wrapped inside &lt;p&gt; tags</span>
</span><span id="30" class="l"><a class="l" href="#30"> 30: </a>    <span class="php-keyword1">var</span> <span class="php-var"><a id="$block_elements" href="#$block_elements">$block_elements</a></span> = <span class="php-quote">'address|blockquote|div|dl|fieldset|form|h\d|hr|noscript|object|ol|p|pre|script|table|ul'</span>;
</span><span id="31" class="l"><a class="l" href="#31"> 31: </a>
</span><span id="32" class="l"><a class="l" href="#32"> 32: </a>    <span class="php-comment">// Elements that should not have &lt;p&gt; and &lt;br /&gt; tags within them.</span>
</span><span id="33" class="l"><a class="l" href="#33"> 33: </a>    <span class="php-keyword1">var</span> <span class="php-var"><a id="$skip_elements" href="#$skip_elements">$skip_elements</a></span>  = <span class="php-quote">'p|pre|ol|ul|dl|object|table|h\d'</span>;
</span><span id="34" class="l"><a class="l" href="#34"> 34: </a>
</span><span id="35" class="l"><a class="l" href="#35"> 35: </a>    <span class="php-comment">// Tags we want the parser to completely ignore when splitting the string.</span>
</span><span id="36" class="l"><a class="l" href="#36"> 36: </a>    <span class="php-keyword1">var</span> <span class="php-var"><a id="$inline_elements" href="#$inline_elements">$inline_elements</a></span> = <span class="php-quote">'a|abbr|acronym|b|bdo|big|br|button|cite|code|del|dfn|em|i|img|ins|input|label|map|kbd|q|samp|select|small|span|strong|sub|sup|textarea|tt|var'</span>;
</span><span id="37" class="l"><a class="l" href="#37"> 37: </a>
</span><span id="38" class="l"><a class="l" href="#38"> 38: </a>    <span class="php-comment">// array of block level elements that require inner content to be within another block level element</span>
</span><span id="39" class="l"><a class="l" href="#39"> 39: </a>    <span class="php-keyword1">var</span> <span class="php-var"><a id="$inner_block_required" href="#$inner_block_required">$inner_block_required</a></span> = <span class="php-keyword1">array</span>(<span class="php-quote">'blockquote'</span>);
</span><span id="40" class="l"><a class="l" href="#40"> 40: </a>
</span><span id="41" class="l"><a class="l" href="#41"> 41: </a>    <span class="php-comment">// the last block element parsed</span>
</span><span id="42" class="l"><a class="l" href="#42"> 42: </a>    <span class="php-keyword1">var</span> <span class="php-var"><a id="$last_block_element" href="#$last_block_element">$last_block_element</a></span> = <span class="php-quote">''</span>;
</span><span id="43" class="l"><a class="l" href="#43"> 43: </a>
</span><span id="44" class="l"><a class="l" href="#44"> 44: </a>    <span class="php-comment">// whether or not to protect quotes within { curly braces }</span>
</span><span id="45" class="l"><a class="l" href="#45"> 45: </a>    <span class="php-keyword1">var</span> <span class="php-var"><a id="$protect_braced_quotes" href="#$protect_braced_quotes">$protect_braced_quotes</a></span> = <span class="php-keyword1">FALSE</span>;
</span><span id="46" class="l"><a class="l" href="#46"> 46: </a>
</span><span id="47" class="l"><a class="l" href="#47"> 47: </a>    <span class="php-comment">/**
</span></span><span id="48" class="l"><a class="l" href="#48"> 48: </a><span class="php-comment">     * Auto Typography
</span></span><span id="49" class="l"><a class="l" href="#49"> 49: </a><span class="php-comment">     *
</span></span><span id="50" class="l"><a class="l" href="#50"> 50: </a><span class="php-comment">     * This function converts text, making it typographically correct:
</span></span><span id="51" class="l"><a class="l" href="#51"> 51: </a><span class="php-comment">     *  - Converts double spaces into paragraphs.
</span></span><span id="52" class="l"><a class="l" href="#52"> 52: </a><span class="php-comment">     *  - Converts single line breaks into &lt;br /&gt; tags
</span></span><span id="53" class="l"><a class="l" href="#53"> 53: </a><span class="php-comment">     *  - Converts single and double quotes into correctly facing curly quote entities.
</span></span><span id="54" class="l"><a class="l" href="#54"> 54: </a><span class="php-comment">     *  - Converts three dots into ellipsis.
</span></span><span id="55" class="l"><a class="l" href="#55"> 55: </a><span class="php-comment">     *  - Converts double dashes into em-dashes.
</span></span><span id="56" class="l"><a class="l" href="#56"> 56: </a><span class="php-comment">     *  - Converts two spaces into entities
</span></span><span id="57" class="l"><a class="l" href="#57"> 57: </a><span class="php-comment">     *
</span></span><span id="58" class="l"><a class="l" href="#58"> 58: </a><span class="php-comment">     * @access  public
</span></span><span id="59" class="l"><a class="l" href="#59"> 59: </a><span class="php-comment">     * @param   string
</span></span><span id="60" class="l"><a class="l" href="#60"> 60: </a><span class="php-comment">     * @param   bool    whether to reduce more then two consecutive newlines to two
</span></span><span id="61" class="l"><a class="l" href="#61"> 61: </a><span class="php-comment">     * @return  string
</span></span><span id="62" class="l"><a class="l" href="#62"> 62: </a><span class="php-comment">     */</span>
</span><span id="63" class="l"><a class="l" href="#63"> 63: </a>    <span class="php-keyword1">function</span> <a id="_auto_typography" href="#_auto_typography">auto_typography</a>(<span class="php-var">$str</span>, <span class="php-var">$reduce_linebreaks</span> = <span class="php-keyword1">FALSE</span>)
</span><span id="64" class="l"><a class="l" href="#64"> 64: </a>    {
</span><span id="65" class="l"><a class="l" href="#65"> 65: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$str</span> == <span class="php-quote">''</span>)
</span><span id="66" class="l"><a class="l" href="#66"> 66: </a>        {
</span><span id="67" class="l"><a class="l" href="#67"> 67: </a>            <span class="php-keyword1">return</span> <span class="php-quote">''</span>;
</span><span id="68" class="l"><a class="l" href="#68"> 68: </a>        }
</span><span id="69" class="l"><a class="l" href="#69"> 69: </a>
</span><span id="70" class="l"><a class="l" href="#70"> 70: </a>        <span class="php-comment">// Standardize Newlines to make matching easier</span>
</span><span id="71" class="l"><a class="l" href="#71"> 71: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$str</span>, <span class="php-quote">&quot;\r&quot;</span>) !== <span class="php-keyword1">FALSE</span>)
</span><span id="72" class="l"><a class="l" href="#72"> 72: </a>        {
</span><span id="73" class="l"><a class="l" href="#73"> 73: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">&quot;\r\n&quot;</span>, <span class="php-quote">&quot;\r&quot;</span>), <span class="php-quote">&quot;\n&quot;</span>, <span class="php-var">$str</span>);
</span><span id="74" class="l"><a class="l" href="#74"> 74: </a>        }
</span><span id="75" class="l"><a class="l" href="#75"> 75: </a>
</span><span id="76" class="l"><a class="l" href="#76"> 76: </a>        <span class="php-comment">// Reduce line breaks.  If there are more than two consecutive linebreaks</span>
</span><span id="77" class="l"><a class="l" href="#77"> 77: </a>        <span class="php-comment">// we'll compress them down to a maximum of two since there's no benefit to more.</span>
</span><span id="78" class="l"><a class="l" href="#78"> 78: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$reduce_linebreaks</span> === <span class="php-keyword1">TRUE</span>)
</span><span id="79" class="l"><a class="l" href="#79"> 79: </a>        {
</span><span id="80" class="l"><a class="l" href="#80"> 80: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/\n\n+/&quot;</span>, <span class="php-quote">&quot;\n\n&quot;</span>, <span class="php-var">$str</span>);
</span><span id="81" class="l"><a class="l" href="#81"> 81: </a>        }
</span><span id="82" class="l"><a class="l" href="#82"> 82: </a>
</span><span id="83" class="l"><a class="l" href="#83"> 83: </a>        <span class="php-comment">// HTML comment tags don't conform to patterns of normal tags, so pull them out separately, only if needed</span>
</span><span id="84" class="l"><a class="l" href="#84"> 84: </a>        <span class="php-var">$html_comments</span> = <span class="php-keyword1">array</span>();
</span><span id="85" class="l"><a class="l" href="#85"> 85: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$str</span>, <span class="php-quote">'&lt;!--'</span>) !== <span class="php-keyword1">FALSE</span>)
</span><span id="86" class="l"><a class="l" href="#86"> 86: </a>        {
</span><span id="87" class="l"><a class="l" href="#87"> 87: </a>            <span class="php-keyword1">if</span> (<span class="php-keyword2">preg_match_all</span>(<span class="php-quote">&quot;#(&lt;!\-\-.*?\-\-&gt;)#s&quot;</span>, <span class="php-var">$str</span>, <span class="php-var">$matches</span>))
</span><span id="88" class="l"><a class="l" href="#88"> 88: </a>            {
</span><span id="89" class="l"><a class="l" href="#89"> 89: </a>                <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>, <span class="php-var">$total</span> = <span class="php-keyword2">count</span>(<span class="php-var">$matches</span>[<span class="php-num">0</span>]); <span class="php-var">$i</span> &lt; <span class="php-var">$total</span>; <span class="php-var">$i</span>++)
</span><span id="90" class="l"><a class="l" href="#90"> 90: </a>                {
</span><span id="91" class="l"><a class="l" href="#91"> 91: </a>                    <span class="php-var">$html_comments</span>[] = <span class="php-var">$matches</span>[<span class="php-num">0</span>][<span class="php-var">$i</span>];
</span><span id="92" class="l"><a class="l" href="#92"> 92: </a>                    <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-var">$matches</span>[<span class="php-num">0</span>][<span class="php-var">$i</span>], <span class="php-quote">'{@HC'</span>.<span class="php-var">$i</span>.<span class="php-quote">'}'</span>, <span class="php-var">$str</span>);
</span><span id="93" class="l"><a class="l" href="#93"> 93: </a>                }
</span><span id="94" class="l"><a class="l" href="#94"> 94: </a>            }
</span><span id="95" class="l"><a class="l" href="#95"> 95: </a>        }
</span><span id="96" class="l"><a class="l" href="#96"> 96: </a>
</span><span id="97" class="l"><a class="l" href="#97"> 97: </a>        <span class="php-comment">// match and yank &lt;pre&gt; tags if they exist.  It's cheaper to do this separately since most content will</span>
</span><span id="98" class="l"><a class="l" href="#98"> 98: </a>        <span class="php-comment">// not contain &lt;pre&gt; tags, and it keeps the PCRE patterns below simpler and faster</span>
</span><span id="99" class="l"><a class="l" href="#99"> 99: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$str</span>, <span class="php-quote">'&lt;pre'</span>) !== <span class="php-keyword1">FALSE</span>)
</span><span id="100" class="l"><a class="l" href="#100">100: </a>        {
</span><span id="101" class="l"><a class="l" href="#101">101: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace_callback</span>(<span class="php-quote">&quot;#&lt;pre.*?&gt;.*?&lt;/pre&gt;#si&quot;</span>, <span class="php-keyword1">array</span>(<span class="php-var">$this</span>, <span class="php-quote">'_protect_characters'</span>), <span class="php-var">$str</span>);
</span><span id="102" class="l"><a class="l" href="#102">102: </a>        }
</span><span id="103" class="l"><a class="l" href="#103">103: </a>
</span><span id="104" class="l"><a class="l" href="#104">104: </a>        <span class="php-comment">// Convert quotes within tags to temporary markers.</span>
</span><span id="105" class="l"><a class="l" href="#105">105: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace_callback</span>(<span class="php-quote">&quot;#&lt;.+?&gt;#si&quot;</span>, <span class="php-keyword1">array</span>(<span class="php-var">$this</span>, <span class="php-quote">'_protect_characters'</span>), <span class="php-var">$str</span>);
</span><span id="106" class="l"><a class="l" href="#106">106: </a>
</span><span id="107" class="l"><a class="l" href="#107">107: </a>        <span class="php-comment">// Do the same with braces if necessary</span>
</span><span id="108" class="l"><a class="l" href="#108">108: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$this</span>-&gt;protect_braced_quotes === <span class="php-keyword1">TRUE</span>)
</span><span id="109" class="l"><a class="l" href="#109">109: </a>        {
</span><span id="110" class="l"><a class="l" href="#110">110: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace_callback</span>(<span class="php-quote">&quot;#\{.+?\}#si&quot;</span>, <span class="php-keyword1">array</span>(<span class="php-var">$this</span>, <span class="php-quote">'_protect_characters'</span>), <span class="php-var">$str</span>);
</span><span id="111" class="l"><a class="l" href="#111">111: </a>        }
</span><span id="112" class="l"><a class="l" href="#112">112: </a>
</span><span id="113" class="l"><a class="l" href="#113">113: </a>        <span class="php-comment">// Convert &quot;ignore&quot; tags to temporary marker.  The parser splits out the string at every tag</span>
</span><span id="114" class="l"><a class="l" href="#114">114: </a>        <span class="php-comment">// it encounters.  Certain inline tags, like image tags, links, span tags, etc. will be</span>
</span><span id="115" class="l"><a class="l" href="#115">115: </a>        <span class="php-comment">// adversely affected if they are split out so we'll convert the opening bracket &lt; temporarily to: {@TAG}</span>
</span><span id="116" class="l"><a class="l" href="#116">116: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;#&lt;(/*)(&quot;</span>.<span class="php-var">$this</span>-&gt;inline_elements.<span class="php-quote">&quot;)([ &gt;])#i&quot;</span>, <span class="php-quote">&quot;{@TAG}\\1\\2\\3&quot;</span>, <span class="php-var">$str</span>);
</span><span id="117" class="l"><a class="l" href="#117">117: </a>
</span><span id="118" class="l"><a class="l" href="#118">118: </a>        <span class="php-comment">// Split the string at every tag.  This expression creates an array with this prototype:</span>
</span><span id="119" class="l"><a class="l" href="#119">119: </a>        <span class="php-comment">//</span>
</span><span id="120" class="l"><a class="l" href="#120">120: </a>        <span class="php-comment">//  [array]</span>
</span><span id="121" class="l"><a class="l" href="#121">121: </a>        <span class="php-comment">//  {</span>
</span><span id="122" class="l"><a class="l" href="#122">122: </a>        <span class="php-comment">//      [0] = &lt;opening tag&gt;</span>
</span><span id="123" class="l"><a class="l" href="#123">123: </a>        <span class="php-comment">//      [1] = Content...</span>
</span><span id="124" class="l"><a class="l" href="#124">124: </a>        <span class="php-comment">//      [2] = &lt;closing tag&gt;</span>
</span><span id="125" class="l"><a class="l" href="#125">125: </a>        <span class="php-comment">//      Etc...</span>
</span><span id="126" class="l"><a class="l" href="#126">126: </a>        <span class="php-comment">//  }</span>
</span><span id="127" class="l"><a class="l" href="#127">127: </a>        <span class="php-var">$chunks</span> = <span class="php-keyword2">preg_split</span>(<span class="php-quote">'/(&lt;(?:[^&lt;&gt;]+(?:&quot;[^&quot;]*&quot;|\'[^\']*\')?)+&gt;)/'</span>, <span class="php-var">$str</span>, -<span class="php-num">1</span>, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
</span><span id="128" class="l"><a class="l" href="#128">128: </a>
</span><span id="129" class="l"><a class="l" href="#129">129: </a>        <span class="php-comment">// Build our finalized string.  We cycle through the array, skipping tags, and processing the contained text</span>
</span><span id="130" class="l"><a class="l" href="#130">130: </a>        <span class="php-var">$str</span> = <span class="php-quote">''</span>;
</span><span id="131" class="l"><a class="l" href="#131">131: </a>        <span class="php-var">$process</span> = <span class="php-keyword1">TRUE</span>;
</span><span id="132" class="l"><a class="l" href="#132">132: </a>        <span class="php-var">$paragraph</span> = <span class="php-keyword1">FALSE</span>;
</span><span id="133" class="l"><a class="l" href="#133">133: </a>        <span class="php-var">$current_chunk</span> = <span class="php-num">0</span>;
</span><span id="134" class="l"><a class="l" href="#134">134: </a>        <span class="php-var">$total_chunks</span> = <span class="php-keyword2">count</span>(<span class="php-var">$chunks</span>);
</span><span id="135" class="l"><a class="l" href="#135">135: </a>
</span><span id="136" class="l"><a class="l" href="#136">136: </a>        <span class="php-keyword1">foreach</span> (<span class="php-var">$chunks</span> <span class="php-keyword1">as</span> <span class="php-var">$chunk</span>)
</span><span id="137" class="l"><a class="l" href="#137">137: </a>        {
</span><span id="138" class="l"><a class="l" href="#138">138: </a>            <span class="php-var">$current_chunk</span>++;
</span><span id="139" class="l"><a class="l" href="#139">139: </a>
</span><span id="140" class="l"><a class="l" href="#140">140: </a>            <span class="php-comment">// Are we dealing with a tag? If so, we'll skip the processing for this cycle.</span>
</span><span id="141" class="l"><a class="l" href="#141">141: </a>            <span class="php-comment">// Well also set the &quot;process&quot; flag which allows us to skip &lt;pre&gt; tags and a few other things.</span>
</span><span id="142" class="l"><a class="l" href="#142">142: </a>            <span class="php-keyword1">if</span> (<span class="php-keyword2">preg_match</span>(<span class="php-quote">&quot;#&lt;(/*)(&quot;</span>.<span class="php-var">$this</span>-&gt;block_elements.<span class="php-quote">&quot;).*?&gt;#&quot;</span>, <span class="php-var">$chunk</span>, <span class="php-var">$match</span>))
</span><span id="143" class="l"><a class="l" href="#143">143: </a>            {
</span><span id="144" class="l"><a class="l" href="#144">144: </a>                <span class="php-keyword1">if</span> (<span class="php-keyword2">preg_match</span>(<span class="php-quote">&quot;#&quot;</span>.<span class="php-var">$this</span>-&gt;skip_elements.<span class="php-quote">&quot;#&quot;</span>, <span class="php-var">$match</span>[<span class="php-num">2</span>]))
</span><span id="145" class="l"><a class="l" href="#145">145: </a>                {
</span><span id="146" class="l"><a class="l" href="#146">146: </a>                    <span class="php-var">$process</span> =  (<span class="php-var">$match</span>[<span class="php-num">1</span>] == <span class="php-quote">'/'</span>) ? <span class="php-keyword1">TRUE</span> : <span class="php-keyword1">FALSE</span>;
</span><span id="147" class="l"><a class="l" href="#147">147: </a>                }
</span><span id="148" class="l"><a class="l" href="#148">148: </a>
</span><span id="149" class="l"><a class="l" href="#149">149: </a>                <span class="php-keyword1">if</span> (<span class="php-var">$match</span>[<span class="php-num">1</span>] == <span class="php-quote">''</span>)
</span><span id="150" class="l"><a class="l" href="#150">150: </a>                {
</span><span id="151" class="l"><a class="l" href="#151">151: </a>                    <span class="php-var">$this</span>-&gt;last_block_element = <span class="php-var">$match</span>[<span class="php-num">2</span>];
</span><span id="152" class="l"><a class="l" href="#152">152: </a>                }
</span><span id="153" class="l"><a class="l" href="#153">153: </a>
</span><span id="154" class="l"><a class="l" href="#154">154: </a>                <span class="php-var">$str</span> .= <span class="php-var">$chunk</span>;
</span><span id="155" class="l"><a class="l" href="#155">155: </a>                <span class="php-keyword1">continue</span>;
</span><span id="156" class="l"><a class="l" href="#156">156: </a>            }
</span><span id="157" class="l"><a class="l" href="#157">157: </a>
</span><span id="158" class="l"><a class="l" href="#158">158: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$process</span> == <span class="php-keyword1">FALSE</span>)
</span><span id="159" class="l"><a class="l" href="#159">159: </a>            {
</span><span id="160" class="l"><a class="l" href="#160">160: </a>                <span class="php-var">$str</span> .= <span class="php-var">$chunk</span>;
</span><span id="161" class="l"><a class="l" href="#161">161: </a>                <span class="php-keyword1">continue</span>;
</span><span id="162" class="l"><a class="l" href="#162">162: </a>            }
</span><span id="163" class="l"><a class="l" href="#163">163: </a>
</span><span id="164" class="l"><a class="l" href="#164">164: </a>            <span class="php-comment">//  Force a newline to make sure end tags get processed by _format_newlines()</span>
</span><span id="165" class="l"><a class="l" href="#165">165: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$current_chunk</span> == <span class="php-var">$total_chunks</span>)
</span><span id="166" class="l"><a class="l" href="#166">166: </a>            {
</span><span id="167" class="l"><a class="l" href="#167">167: </a>                <span class="php-var">$chunk</span> .= <span class="php-quote">&quot;\n&quot;</span>;
</span><span id="168" class="l"><a class="l" href="#168">168: </a>            }
</span><span id="169" class="l"><a class="l" href="#169">169: </a>
</span><span id="170" class="l"><a class="l" href="#170">170: </a>            <span class="php-comment">//  Convert Newlines into &lt;p&gt; and &lt;br /&gt; tags</span>
</span><span id="171" class="l"><a class="l" href="#171">171: </a>            <span class="php-var">$str</span> .= <span class="php-var">$this</span>-&gt;_format_newlines(<span class="php-var">$chunk</span>);
</span><span id="172" class="l"><a class="l" href="#172">172: </a>        }
</span><span id="173" class="l"><a class="l" href="#173">173: </a>
</span><span id="174" class="l"><a class="l" href="#174">174: </a>        <span class="php-comment">// No opening block level tag?  Add it if needed.</span>
</span><span id="175" class="l"><a class="l" href="#175">175: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword2">preg_match</span>(<span class="php-quote">&quot;/^\s*&lt;(?:&quot;</span>.<span class="php-var">$this</span>-&gt;block_elements.<span class="php-quote">&quot;)/i&quot;</span>, <span class="php-var">$str</span>))
</span><span id="176" class="l"><a class="l" href="#176">176: </a>        {
</span><span id="177" class="l"><a class="l" href="#177">177: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/^(.*?)&lt;(&quot;</span>.<span class="php-var">$this</span>-&gt;block_elements.<span class="php-quote">&quot;)/i&quot;</span>, <span class="php-quote">'&lt;p&gt;$1&lt;/p&gt;&lt;$2'</span>, <span class="php-var">$str</span>);
</span><span id="178" class="l"><a class="l" href="#178">178: </a>        }
</span><span id="179" class="l"><a class="l" href="#179">179: </a>
</span><span id="180" class="l"><a class="l" href="#180">180: </a>        <span class="php-comment">// Convert quotes, elipsis, em-dashes, non-breaking spaces, and ampersands</span>
</span><span id="181" class="l"><a class="l" href="#181">181: </a>        <span class="php-var">$str</span> = <span class="php-var">$this</span>-&gt;format_characters(<span class="php-var">$str</span>);
</span><span id="182" class="l"><a class="l" href="#182">182: </a>
</span><span id="183" class="l"><a class="l" href="#183">183: </a>        <span class="php-comment">// restore HTML comments</span>
</span><span id="184" class="l"><a class="l" href="#184">184: </a>        <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>, <span class="php-var">$total</span> = <span class="php-keyword2">count</span>(<span class="php-var">$html_comments</span>); <span class="php-var">$i</span> &lt; <span class="php-var">$total</span>; <span class="php-var">$i</span>++)
</span><span id="185" class="l"><a class="l" href="#185">185: </a>        {
</span><span id="186" class="l"><a class="l" href="#186">186: </a>            <span class="php-comment">// remove surrounding paragraph tags, but only if there's an opening paragraph tag</span>
</span><span id="187" class="l"><a class="l" href="#187">187: </a>            <span class="php-comment">// otherwise HTML comments at the ends of paragraphs will have the closing tag removed</span>
</span><span id="188" class="l"><a class="l" href="#188">188: </a>            <span class="php-comment">// if '&lt;p&gt;{@HC1}' then replace &lt;p&gt;{@HC1}&lt;/p&gt; with the comment, else replace only {@HC1} with the comment</span>
</span><span id="189" class="l"><a class="l" href="#189">189: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">'#(?(?=&lt;p&gt;\{@HC'</span>.<span class="php-var">$i</span>.<span class="php-quote">'\})&lt;p&gt;\{@HC'</span>.<span class="php-var">$i</span>.<span class="php-quote">'\}(\s*&lt;/p&gt;)|\{@HC'</span>.<span class="php-var">$i</span>.<span class="php-quote">'\})#s'</span>, <span class="php-var">$html_comments</span>[<span class="php-var">$i</span>], <span class="php-var">$str</span>);
</span><span id="190" class="l"><a class="l" href="#190">190: </a>        }
</span><span id="191" class="l"><a class="l" href="#191">191: </a>
</span><span id="192" class="l"><a class="l" href="#192">192: </a>        <span class="php-comment">// Final clean up</span>
</span><span id="193" class="l"><a class="l" href="#193">193: </a>        <span class="php-var">$table</span> = <span class="php-keyword1">array</span>(
</span><span id="194" class="l"><a class="l" href="#194">194: </a>
</span><span id="195" class="l"><a class="l" href="#195">195: </a>                        <span class="php-comment">// If the user submitted their own paragraph tags within the text</span>
</span><span id="196" class="l"><a class="l" href="#196">196: </a>                        <span class="php-comment">// we will retain them instead of using our tags.</span>
</span><span id="197" class="l"><a class="l" href="#197">197: </a>                        <span class="php-quote">'/(&lt;p[^&gt;*?]&gt;)&lt;p&gt;/'</span>  =&gt; <span class="php-quote">'$1'</span>, <span class="php-comment">// &lt;?php BBEdit syntax coloring bug fix</span>
</span><span id="198" class="l"><a class="l" href="#198">198: </a>
</span><span id="199" class="l"><a class="l" href="#199">199: </a>                        <span class="php-comment">// Reduce multiple instances of opening/closing paragraph tags to a single one</span>
</span><span id="200" class="l"><a class="l" href="#200">200: </a>                        <span class="php-quote">'#(&lt;/p&gt;)+#'</span>         =&gt; <span class="php-quote">'&lt;/p&gt;'</span>,
</span><span id="201" class="l"><a class="l" href="#201">201: </a>                        <span class="php-quote">'/(&lt;p&gt;\W*&lt;p&gt;)+/'</span>    =&gt; <span class="php-quote">'&lt;p&gt;'</span>,
</span><span id="202" class="l"><a class="l" href="#202">202: </a>
</span><span id="203" class="l"><a class="l" href="#203">203: </a>                        <span class="php-comment">// Clean up stray paragraph tags that appear before block level elements</span>
</span><span id="204" class="l"><a class="l" href="#204">204: </a>                        <span class="php-quote">'#&lt;p&gt;&lt;/p&gt;&lt;('</span>.<span class="php-var">$this</span>-&gt;block_elements.<span class="php-quote">')#'</span> =&gt; <span class="php-quote">'&lt;$1'</span>,
</span><span id="205" class="l"><a class="l" href="#205">205: </a>
</span><span id="206" class="l"><a class="l" href="#206">206: </a>                        <span class="php-comment">// Clean up stray non-breaking spaces preceeding block elements</span>
</span><span id="207" class="l"><a class="l" href="#207">207: </a>                        <span class="php-quote">'#(&amp;nbsp;\s*)+&lt;('</span>.<span class="php-var">$this</span>-&gt;block_elements.<span class="php-quote">')#'</span>    =&gt; <span class="php-quote">'  &lt;$2'</span>,
</span><span id="208" class="l"><a class="l" href="#208">208: </a>
</span><span id="209" class="l"><a class="l" href="#209">209: </a>                        <span class="php-comment">// Replace the temporary markers we added earlier</span>
</span><span id="210" class="l"><a class="l" href="#210">210: </a>                        <span class="php-quote">'/\{@TAG\}/'</span>        =&gt; <span class="php-quote">'&lt;'</span>,
</span><span id="211" class="l"><a class="l" href="#211">211: </a>                        <span class="php-quote">'/\{@DQ\}/'</span>         =&gt; <span class="php-quote">'&quot;'</span>,
</span><span id="212" class="l"><a class="l" href="#212">212: </a>                        <span class="php-quote">'/\{@SQ\}/'</span>         =&gt; <span class="php-quote">&quot;'&quot;</span>,
</span><span id="213" class="l"><a class="l" href="#213">213: </a>                        <span class="php-quote">'/\{@DD\}/'</span>         =&gt; <span class="php-quote">'--'</span>,
</span><span id="214" class="l"><a class="l" href="#214">214: </a>                        <span class="php-quote">'/\{@NBS\}/'</span>        =&gt; <span class="php-quote">'  '</span>,
</span><span id="215" class="l"><a class="l" href="#215">215: </a>
</span><span id="216" class="l"><a class="l" href="#216">216: </a>                        <span class="php-comment">// An unintended consequence of the _format_newlines function is that</span>
</span><span id="217" class="l"><a class="l" href="#217">217: </a>                        <span class="php-comment">// some of the newlines get truncated, resulting in &lt;p&gt; tags</span>
</span><span id="218" class="l"><a class="l" href="#218">218: </a>                        <span class="php-comment">// starting immediately after &lt;block&gt; tags on the same line.</span>
</span><span id="219" class="l"><a class="l" href="#219">219: </a>                        <span class="php-comment">// This forces a newline after such occurrences, which looks much nicer.</span>
</span><span id="220" class="l"><a class="l" href="#220">220: </a>                        <span class="php-quote">&quot;/&gt;&lt;p&gt;\n/&quot;</span>          =&gt; <span class="php-quote">&quot;&gt;\n&lt;p&gt;&quot;</span>,
</span><span id="221" class="l"><a class="l" href="#221">221: </a>
</span><span id="222" class="l"><a class="l" href="#222">222: </a>                        <span class="php-comment">// Similarly, there might be cases where a closing &lt;/block&gt; will follow</span>
</span><span id="223" class="l"><a class="l" href="#223">223: </a>                        <span class="php-comment">// a closing &lt;/p&gt; tag, so we'll correct it by adding a newline in between</span>
</span><span id="224" class="l"><a class="l" href="#224">224: </a>                        <span class="php-quote">&quot;#&lt;/p&gt;&lt;/#&quot;</span>          =&gt; <span class="php-quote">&quot;&lt;/p&gt;\n&lt;/&quot;</span>
</span><span id="225" class="l"><a class="l" href="#225">225: </a>                        );
</span><span id="226" class="l"><a class="l" href="#226">226: </a>
</span><span id="227" class="l"><a class="l" href="#227">227: </a>        <span class="php-comment">// Do we need to reduce empty lines?</span>
</span><span id="228" class="l"><a class="l" href="#228">228: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$reduce_linebreaks</span> === <span class="php-keyword1">TRUE</span>)
</span><span id="229" class="l"><a class="l" href="#229">229: </a>        {
</span><span id="230" class="l"><a class="l" href="#230">230: </a>            <span class="php-var">$table</span>[<span class="php-quote">'#&lt;p&gt;\n*&lt;/p&gt;#'</span>] = <span class="php-quote">''</span>;
</span><span id="231" class="l"><a class="l" href="#231">231: </a>        }
</span><span id="232" class="l"><a class="l" href="#232">232: </a>        <span class="php-keyword1">else</span>
</span><span id="233" class="l"><a class="l" href="#233">233: </a>        {
</span><span id="234" class="l"><a class="l" href="#234">234: </a>            <span class="php-comment">// If we have empty paragraph tags we add a non-breaking space</span>
</span><span id="235" class="l"><a class="l" href="#235">235: </a>            <span class="php-comment">// otherwise most browsers won't treat them as true paragraphs</span>
</span><span id="236" class="l"><a class="l" href="#236">236: </a>            <span class="php-var">$table</span>[<span class="php-quote">'#&lt;p&gt;&lt;/p&gt;#'</span>] = <span class="php-quote">'&lt;p&gt;&amp;nbsp;&lt;/p&gt;'</span>;
</span><span id="237" class="l"><a class="l" href="#237">237: </a>        }
</span><span id="238" class="l"><a class="l" href="#238">238: </a>
</span><span id="239" class="l"><a class="l" href="#239">239: </a>        <span class="php-keyword1">return</span> <span class="php-keyword2">preg_replace</span>(<span class="php-keyword2">array_keys</span>(<span class="php-var">$table</span>), <span class="php-var">$table</span>, <span class="php-var">$str</span>);
</span><span id="240" class="l"><a class="l" href="#240">240: </a>
</span><span id="241" class="l"><a class="l" href="#241">241: </a>    }
</span><span id="242" class="l"><a class="l" href="#242">242: </a>
</span><span id="243" class="l"><a class="l" href="#243">243: </a>    <span class="php-comment">// --------------------------------------------------------------------</span>
</span><span id="244" class="l"><a class="l" href="#244">244: </a>
</span><span id="245" class="l"><a class="l" href="#245">245: </a>    <span class="php-comment">/**
</span></span><span id="246" class="l"><a class="l" href="#246">246: </a><span class="php-comment">     * Format Characters
</span></span><span id="247" class="l"><a class="l" href="#247">247: </a><span class="php-comment">     *
</span></span><span id="248" class="l"><a class="l" href="#248">248: </a><span class="php-comment">     * This function mainly converts double and single quotes
</span></span><span id="249" class="l"><a class="l" href="#249">249: </a><span class="php-comment">     * to curly entities, but it also converts em-dashes,
</span></span><span id="250" class="l"><a class="l" href="#250">250: </a><span class="php-comment">     * double spaces, and ampersands
</span></span><span id="251" class="l"><a class="l" href="#251">251: </a><span class="php-comment">     *
</span></span><span id="252" class="l"><a class="l" href="#252">252: </a><span class="php-comment">     * @access  public
</span></span><span id="253" class="l"><a class="l" href="#253">253: </a><span class="php-comment">     * @param   string
</span></span><span id="254" class="l"><a class="l" href="#254">254: </a><span class="php-comment">     * @return  string
</span></span><span id="255" class="l"><a class="l" href="#255">255: </a><span class="php-comment">     */</span>
</span><span id="256" class="l"><a class="l" href="#256">256: </a>    <span class="php-keyword1">function</span> <a id="_format_characters" href="#_format_characters">format_characters</a>(<span class="php-var">$str</span>)
</span><span id="257" class="l"><a class="l" href="#257">257: </a>    {
</span><span id="258" class="l"><a class="l" href="#258">258: </a>        <span class="php-keyword1">static</span> <span class="php-var"><a id="$table" href="#$table">$table</a></span>;
</span><span id="259" class="l"><a class="l" href="#259">259: </a>
</span><span id="260" class="l"><a class="l" href="#260">260: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword1">isset</span>(<span class="php-var">$table</span>))
</span><span id="261" class="l"><a class="l" href="#261">261: </a>        {
</span><span id="262" class="l"><a class="l" href="#262">262: </a>            <span class="php-var">$table</span> = <span class="php-keyword1">array</span>(
</span><span id="263" class="l"><a class="l" href="#263">263: </a>                            <span class="php-comment">// nested smart quotes, opening and closing</span>
</span><span id="264" class="l"><a class="l" href="#264">264: </a>                            <span class="php-comment">// note that rules for grammar (English) allow only for two levels deep</span>
</span><span id="265" class="l"><a class="l" href="#265">265: </a>                            <span class="php-comment">// and that single quotes are _supposed_ to always be on the outside</span>
</span><span id="266" class="l"><a class="l" href="#266">266: </a>                            <span class="php-comment">// but we'll accommodate both</span>
</span><span id="267" class="l"><a class="l" href="#267">267: </a>                            <span class="php-comment">// Note that in all cases, whitespace is the primary determining factor</span>
</span><span id="268" class="l"><a class="l" href="#268">268: </a>                            <span class="php-comment">// on which direction to curl, with non-word characters like punctuation</span>
</span><span id="269" class="l"><a class="l" href="#269">269: </a>                            <span class="php-comment">// being a secondary factor only after whitespace is addressed.</span>
</span><span id="270" class="l"><a class="l" href="#270">270: </a>                            <span class="php-quote">'/\'&quot;(\s|$)/'</span>                   =&gt; <span class="php-quote">'&amp;#8217;&amp;#8221;$1'</span>,
</span><span id="271" class="l"><a class="l" href="#271">271: </a>                            <span class="php-quote">'/(^|\s|&lt;p&gt;)\'&quot;/'</span>               =&gt; <span class="php-quote">'$1&amp;#8216;&amp;#8220;'</span>,
</span><span id="272" class="l"><a class="l" href="#272">272: </a>                            <span class="php-quote">'/\'&quot;(\W)/'</span>                     =&gt; <span class="php-quote">'&amp;#8217;&amp;#8221;$1'</span>,
</span><span id="273" class="l"><a class="l" href="#273">273: </a>                            <span class="php-quote">'/(\W)\'&quot;/'</span>                     =&gt; <span class="php-quote">'$1&amp;#8216;&amp;#8220;'</span>,
</span><span id="274" class="l"><a class="l" href="#274">274: </a>                            <span class="php-quote">'/&quot;\'(\s|$)/'</span>                   =&gt; <span class="php-quote">'&amp;#8221;&amp;#8217;$1'</span>,
</span><span id="275" class="l"><a class="l" href="#275">275: </a>                            <span class="php-quote">'/(^|\s|&lt;p&gt;)&quot;\'/'</span>               =&gt; <span class="php-quote">'$1&amp;#8220;&amp;#8216;'</span>,
</span><span id="276" class="l"><a class="l" href="#276">276: </a>                            <span class="php-quote">'/&quot;\'(\W)/'</span>                     =&gt; <span class="php-quote">'&amp;#8221;&amp;#8217;$1'</span>,
</span><span id="277" class="l"><a class="l" href="#277">277: </a>                            <span class="php-quote">'/(\W)&quot;\'/'</span>                     =&gt; <span class="php-quote">'$1&amp;#8220;&amp;#8216;'</span>,
</span><span id="278" class="l"><a class="l" href="#278">278: </a>
</span><span id="279" class="l"><a class="l" href="#279">279: </a>                            <span class="php-comment">// single quote smart quotes</span>
</span><span id="280" class="l"><a class="l" href="#280">280: </a>                            <span class="php-quote">'/\'(\s|$)/'</span>                    =&gt; <span class="php-quote">'&amp;#8217;$1'</span>,
</span><span id="281" class="l"><a class="l" href="#281">281: </a>                            <span class="php-quote">'/(^|\s|&lt;p&gt;)\'/'</span>                =&gt; <span class="php-quote">'$1&amp;#8216;'</span>,
</span><span id="282" class="l"><a class="l" href="#282">282: </a>                            <span class="php-quote">'/\'(\W)/'</span>                      =&gt; <span class="php-quote">'&amp;#8217;$1'</span>,
</span><span id="283" class="l"><a class="l" href="#283">283: </a>                            <span class="php-quote">'/(\W)\'/'</span>                      =&gt; <span class="php-quote">'$1&amp;#8216;'</span>,
</span><span id="284" class="l"><a class="l" href="#284">284: </a>
</span><span id="285" class="l"><a class="l" href="#285">285: </a>                            <span class="php-comment">// double quote smart quotes</span>
</span><span id="286" class="l"><a class="l" href="#286">286: </a>                            <span class="php-quote">'/&quot;(\s|$)/'</span>                     =&gt; <span class="php-quote">'&amp;#8221;$1'</span>,
</span><span id="287" class="l"><a class="l" href="#287">287: </a>                            <span class="php-quote">'/(^|\s|&lt;p&gt;)&quot;/'</span>                 =&gt; <span class="php-quote">'$1&amp;#8220;'</span>,
</span><span id="288" class="l"><a class="l" href="#288">288: </a>                            <span class="php-quote">'/&quot;(\W)/'</span>                       =&gt; <span class="php-quote">'&amp;#8221;$1'</span>,
</span><span id="289" class="l"><a class="l" href="#289">289: </a>                            <span class="php-quote">'/(\W)&quot;/'</span>                       =&gt; <span class="php-quote">'$1&amp;#8220;'</span>,
</span><span id="290" class="l"><a class="l" href="#290">290: </a>
</span><span id="291" class="l"><a class="l" href="#291">291: </a>                            <span class="php-comment">// apostrophes</span>
</span><span id="292" class="l"><a class="l" href="#292">292: </a>                            <span class="php-quote">&quot;/(\w)'(\w)/&quot;</span>                   =&gt; <span class="php-quote">'$1&amp;#8217;$2'</span>,
</span><span id="293" class="l"><a class="l" href="#293">293: </a>
</span><span id="294" class="l"><a class="l" href="#294">294: </a>                            <span class="php-comment">// Em dash and ellipses dots</span>
</span><span id="295" class="l"><a class="l" href="#295">295: </a>                            <span class="php-quote">'/\s?\-\-\s?/'</span>                  =&gt; <span class="php-quote">'&amp;#8212;'</span>,
</span><span id="296" class="l"><a class="l" href="#296">296: </a>                            <span class="php-quote">'/(\w)\.{3}/'</span>                   =&gt; <span class="php-quote">'$1&amp;#8230;'</span>,
</span><span id="297" class="l"><a class="l" href="#297">297: </a>
</span><span id="298" class="l"><a class="l" href="#298">298: </a>                            <span class="php-comment">// double space after sentences</span>
</span><span id="299" class="l"><a class="l" href="#299">299: </a>                            <span class="php-quote">'/(\W)  /'</span>                      =&gt; <span class="php-quote">'$1&amp;nbsp; '</span>,
</span><span id="300" class="l"><a class="l" href="#300">300: </a>
</span><span id="301" class="l"><a class="l" href="#301">301: </a>                            <span class="php-comment">// ampersands, if not a character entity</span>
</span><span id="302" class="l"><a class="l" href="#302">302: </a>                            <span class="php-quote">'/&amp;(?!#?[a-zA-Z0-9]{2,};)/'</span>     =&gt; <span class="php-quote">'&amp;amp;'</span>
</span><span id="303" class="l"><a class="l" href="#303">303: </a>                        );
</span><span id="304" class="l"><a class="l" href="#304">304: </a>        }
</span><span id="305" class="l"><a class="l" href="#305">305: </a>
</span><span id="306" class="l"><a class="l" href="#306">306: </a>        <span class="php-keyword1">return</span> <span class="php-keyword2">preg_replace</span>(<span class="php-keyword2">array_keys</span>(<span class="php-var">$table</span>), <span class="php-var">$table</span>, <span class="php-var">$str</span>);
</span><span id="307" class="l"><a class="l" href="#307">307: </a>    }
</span><span id="308" class="l"><a class="l" href="#308">308: </a>
</span><span id="309" class="l"><a class="l" href="#309">309: </a>    <span class="php-comment">// --------------------------------------------------------------------</span>
</span><span id="310" class="l"><a class="l" href="#310">310: </a>
</span><span id="311" class="l"><a class="l" href="#311">311: </a>    <span class="php-comment">/**
</span></span><span id="312" class="l"><a class="l" href="#312">312: </a><span class="php-comment">     * Format Newlines
</span></span><span id="313" class="l"><a class="l" href="#313">313: </a><span class="php-comment">     *
</span></span><span id="314" class="l"><a class="l" href="#314">314: </a><span class="php-comment">     * Converts newline characters into either &lt;p&gt; tags or &lt;br /&gt;
</span></span><span id="315" class="l"><a class="l" href="#315">315: </a><span class="php-comment">     *
</span></span><span id="316" class="l"><a class="l" href="#316">316: </a><span class="php-comment">     * @access  public
</span></span><span id="317" class="l"><a class="l" href="#317">317: </a><span class="php-comment">     * @param   string
</span></span><span id="318" class="l"><a class="l" href="#318">318: </a><span class="php-comment">     * @return  string
</span></span><span id="319" class="l"><a class="l" href="#319">319: </a><span class="php-comment">     */</span>
</span><span id="320" class="l"><a class="l" href="#320">320: </a>    <span class="php-keyword1">function</span> <a id="__format_newlines" href="#__format_newlines">_format_newlines</a>(<span class="php-var">$str</span>)
</span><span id="321" class="l"><a class="l" href="#321">321: </a>    {
</span><span id="322" class="l"><a class="l" href="#322">322: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$str</span> == <span class="php-quote">''</span>)
</span><span id="323" class="l"><a class="l" href="#323">323: </a>        {
</span><span id="324" class="l"><a class="l" href="#324">324: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="325" class="l"><a class="l" href="#325">325: </a>        }
</span><span id="326" class="l"><a class="l" href="#326">326: </a>
</span><span id="327" class="l"><a class="l" href="#327">327: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$str</span>, <span class="php-quote">&quot;\n&quot;</span>) === <span class="php-keyword1">FALSE</span>  &amp;&amp; ! <span class="php-keyword2">in_array</span>(<span class="php-var">$this</span>-&gt;last_block_element, <span class="php-var">$this</span>-&gt;inner_block_required))
</span><span id="328" class="l"><a class="l" href="#328">328: </a>        {
</span><span id="329" class="l"><a class="l" href="#329">329: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="330" class="l"><a class="l" href="#330">330: </a>        }
</span><span id="331" class="l"><a class="l" href="#331">331: </a>
</span><span id="332" class="l"><a class="l" href="#332">332: </a>        <span class="php-comment">// Convert two consecutive newlines to paragraphs</span>
</span><span id="333" class="l"><a class="l" href="#333">333: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-quote">&quot;\n\n&quot;</span>, <span class="php-quote">&quot;&lt;/p&gt;\n\n&lt;p&gt;&quot;</span>, <span class="php-var">$str</span>);
</span><span id="334" class="l"><a class="l" href="#334">334: </a>
</span><span id="335" class="l"><a class="l" href="#335">335: </a>        <span class="php-comment">// Convert single spaces to &lt;br /&gt; tags</span>
</span><span id="336" class="l"><a class="l" href="#336">336: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/([^\n])(\n)([^\n])/&quot;</span>, <span class="php-quote">&quot;\\1&lt;br /&gt;\\2\\3&quot;</span>, <span class="php-var">$str</span>);
</span><span id="337" class="l"><a class="l" href="#337">337: </a>
</span><span id="338" class="l"><a class="l" href="#338">338: </a>        <span class="php-comment">// Wrap the whole enchilada in enclosing paragraphs</span>
</span><span id="339" class="l"><a class="l" href="#339">339: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$str</span> != <span class="php-quote">&quot;\n&quot;</span>)
</span><span id="340" class="l"><a class="l" href="#340">340: </a>        {
</span><span id="341" class="l"><a class="l" href="#341">341: </a>            <span class="php-comment">// We trim off the right-side new line so that the closing &lt;/p&gt; tag</span>
</span><span id="342" class="l"><a class="l" href="#342">342: </a>            <span class="php-comment">// will be positioned immediately following the string, matching</span>
</span><span id="343" class="l"><a class="l" href="#343">343: </a>            <span class="php-comment">// the behavior of the opening &lt;p&gt; tag</span>
</span><span id="344" class="l"><a class="l" href="#344">344: </a>            <span class="php-var">$str</span> =  <span class="php-quote">'&lt;p&gt;'</span>.<span class="php-keyword2">rtrim</span>(<span class="php-var">$str</span>).<span class="php-quote">'&lt;/p&gt;'</span>;
</span><span id="345" class="l"><a class="l" href="#345">345: </a>        }
</span><span id="346" class="l"><a class="l" href="#346">346: </a>
</span><span id="347" class="l"><a class="l" href="#347">347: </a>        <span class="php-comment">// Remove empty paragraphs if they are on the first line, as this</span>
</span><span id="348" class="l"><a class="l" href="#348">348: </a>        <span class="php-comment">// is a potential unintended consequence of the previous code</span>
</span><span id="349" class="l"><a class="l" href="#349">349: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/&lt;p&gt;&lt;\/p&gt;(.*)/&quot;</span>, <span class="php-quote">&quot;\\1&quot;</span>, <span class="php-var">$str</span>, <span class="php-num">1</span>);
</span><span id="350" class="l"><a class="l" href="#350">350: </a>
</span><span id="351" class="l"><a class="l" href="#351">351: </a>        <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="352" class="l"><a class="l" href="#352">352: </a>    }
</span><span id="353" class="l"><a class="l" href="#353">353: </a>
</span><span id="354" class="l"><a class="l" href="#354">354: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="355" class="l"><a class="l" href="#355">355: </a>
</span><span id="356" class="l"><a class="l" href="#356">356: </a>    <span class="php-comment">/**
</span></span><span id="357" class="l"><a class="l" href="#357">357: </a><span class="php-comment">     * Protect Characters
</span></span><span id="358" class="l"><a class="l" href="#358">358: </a><span class="php-comment">     *
</span></span><span id="359" class="l"><a class="l" href="#359">359: </a><span class="php-comment">     * Protects special characters from being formatted later
</span></span><span id="360" class="l"><a class="l" href="#360">360: </a><span class="php-comment">     * We don't want quotes converted within tags so we'll temporarily convert them to {@DQ} and {@SQ}
</span></span><span id="361" class="l"><a class="l" href="#361">361: </a><span class="php-comment">     * and we don't want double dashes converted to emdash entities, so they are marked with {@DD}
</span></span><span id="362" class="l"><a class="l" href="#362">362: </a><span class="php-comment">     * likewise double spaces are converted to {@NBS} to prevent entity conversion
</span></span><span id="363" class="l"><a class="l" href="#363">363: </a><span class="php-comment">     *
</span></span><span id="364" class="l"><a class="l" href="#364">364: </a><span class="php-comment">     * @access  public
</span></span><span id="365" class="l"><a class="l" href="#365">365: </a><span class="php-comment">     * @param   array
</span></span><span id="366" class="l"><a class="l" href="#366">366: </a><span class="php-comment">     * @return  string
</span></span><span id="367" class="l"><a class="l" href="#367">367: </a><span class="php-comment">     */</span>
</span><span id="368" class="l"><a class="l" href="#368">368: </a>    <span class="php-keyword1">function</span> <a id="__protect_characters" href="#__protect_characters">_protect_characters</a>(<span class="php-var">$match</span>)
</span><span id="369" class="l"><a class="l" href="#369">369: </a>    {
</span><span id="370" class="l"><a class="l" href="#370">370: </a>        <span class="php-keyword1">return</span> <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">&quot;'&quot;</span>,<span class="php-quote">'&quot;'</span>,<span class="php-quote">'--'</span>,<span class="php-quote">'  '</span>), <span class="php-keyword1">array</span>(<span class="php-quote">'{@SQ}'</span>, <span class="php-quote">'{@DQ}'</span>, <span class="php-quote">'{@DD}'</span>, <span class="php-quote">'{@NBS}'</span>), <span class="php-var">$match</span>[<span class="php-num">0</span>]);
</span><span id="371" class="l"><a class="l" href="#371">371: </a>    }
</span><span id="372" class="l"><a class="l" href="#372">372: </a>
</span><span id="373" class="l"><a class="l" href="#373">373: </a>    <span class="php-comment">// --------------------------------------------------------------------</span>
</span><span id="374" class="l"><a class="l" href="#374">374: </a>
</span><span id="375" class="l"><a class="l" href="#375">375: </a>    <span class="php-comment">/**
</span></span><span id="376" class="l"><a class="l" href="#376">376: </a><span class="php-comment">     * Convert newlines to HTML line breaks except within PRE tags
</span></span><span id="377" class="l"><a class="l" href="#377">377: </a><span class="php-comment">     *
</span></span><span id="378" class="l"><a class="l" href="#378">378: </a><span class="php-comment">     * @access  public
</span></span><span id="379" class="l"><a class="l" href="#379">379: </a><span class="php-comment">     * @param   string
</span></span><span id="380" class="l"><a class="l" href="#380">380: </a><span class="php-comment">     * @return  string
</span></span><span id="381" class="l"><a class="l" href="#381">381: </a><span class="php-comment">     */</span>
</span><span id="382" class="l"><a class="l" href="#382">382: </a>    <span class="php-keyword1">function</span> <a id="_nl2br_except_pre" href="#_nl2br_except_pre">nl2br_except_pre</a>(<span class="php-var">$str</span>)
</span><span id="383" class="l"><a class="l" href="#383">383: </a>    {
</span><span id="384" class="l"><a class="l" href="#384">384: </a>        <span class="php-var">$ex</span> = <span class="php-keyword2">explode</span>(<span class="php-quote">&quot;pre&gt;&quot;</span>,<span class="php-var">$str</span>);
</span><span id="385" class="l"><a class="l" href="#385">385: </a>        <span class="php-var">$ct</span> = <span class="php-keyword2">count</span>(<span class="php-var">$ex</span>);
</span><span id="386" class="l"><a class="l" href="#386">386: </a>
</span><span id="387" class="l"><a class="l" href="#387">387: </a>        <span class="php-var">$newstr</span> = <span class="php-quote">&quot;&quot;</span>;
</span><span id="388" class="l"><a class="l" href="#388">388: </a>        <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>; <span class="php-var">$i</span> &lt; <span class="php-var">$ct</span>; <span class="php-var">$i</span>++)
</span><span id="389" class="l"><a class="l" href="#389">389: </a>        {
</span><span id="390" class="l"><a class="l" href="#390">390: </a>            <span class="php-keyword1">if</span> ((<span class="php-var">$i</span> % <span class="php-num">2</span>) == <span class="php-num">0</span>)
</span><span id="391" class="l"><a class="l" href="#391">391: </a>            {
</span><span id="392" class="l"><a class="l" href="#392">392: </a>                <span class="php-var">$newstr</span> .= <span class="php-keyword2">nl2br</span>(<span class="php-var">$ex</span>[<span class="php-var">$i</span>]);
</span><span id="393" class="l"><a class="l" href="#393">393: </a>            }
</span><span id="394" class="l"><a class="l" href="#394">394: </a>            <span class="php-keyword1">else</span>
</span><span id="395" class="l"><a class="l" href="#395">395: </a>            {
</span><span id="396" class="l"><a class="l" href="#396">396: </a>                <span class="php-var">$newstr</span> .= <span class="php-var">$ex</span>[<span class="php-var">$i</span>];
</span><span id="397" class="l"><a class="l" href="#397">397: </a>            }
</span><span id="398" class="l"><a class="l" href="#398">398: </a>
</span><span id="399" class="l"><a class="l" href="#399">399: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$ct</span> - <span class="php-num">1</span> != <span class="php-var">$i</span>)
</span><span id="400" class="l"><a class="l" href="#400">400: </a>                <span class="php-var">$newstr</span> .= <span class="php-quote">&quot;pre&gt;&quot;</span>;
</span><span id="401" class="l"><a class="l" href="#401">401: </a>        }
</span><span id="402" class="l"><a class="l" href="#402">402: </a>
</span><span id="403" class="l"><a class="l" href="#403">403: </a>        <span class="php-keyword1">return</span> <span class="php-var">$newstr</span>;
</span><span id="404" class="l"><a class="l" href="#404">404: </a>    }
</span><span id="405" class="l"><a class="l" href="#405">405: </a>
</span><span id="406" class="l"><a class="l" href="#406">406: </a>}
</span><span id="407" class="l"><a class="l" href="#407">407: </a><span class="php-comment">// END Typography Class</span>
</span><span id="408" class="l"><a class="l" href="#408">408: </a>
</span><span id="409" class="l"><a class="l" href="#409">409: </a><span class="php-comment">/* End of file Typography.php */</span>
</span><span id="410" class="l"><a class="l" href="#410">410: </a></span><span class="php-comment">/* Location: ./system/libraries/Typography.php */</span></code></pre>

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